Home / 131,560.96-197,345.04-38,070.40

Finding the Fourth Proportional to 131,560.96, 197,345.04 and 38,070.40

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Solution

The fourth proportional to 131,560.96, 197,345.04 and 38,070.40 is: 57,106.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,560.96 : 197,345.04 = 38,070.40 : x
  2. Step 2: Convert to fraction form
    131,560.96/197,345.04 = 38,070.40/x
  3. Step 3: Cross multiply
    131,560.96x = 197,345.04 × 38,070.40
  4. Step 4: Simplify right side
    131,560.96x = 7,513,004,610.82
  5. Step 5: Solve for x
    x = 7,513,004,610.82/131,560.96
  6. Step 6: Final answer
    x = 57,106.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.